main.cpp

00001 /* NetworkSocketAPI Example Program
00002  * Copyright (c) 2015 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "mbed.h"
00018 #include "LWIPInterface.h"
00019 #include "TCPSocket.h"
00020 
00021 LWIPInterface eth;
00022 
00023 DigitalOut led(LED_GREEN);
00024 void blink()
00025 {
00026     led = !led;
00027 }
00028 
00029 int main()
00030 {
00031     Ticker blinky;
00032     blinky.attach(blink, 0.4f);
00033 
00034     printf("NetworkSocketAPI Example\r\n");
00035 
00036     eth.connect();
00037     const char *ip = eth.get_ip_address();
00038     const char *mac = eth.get_mac_address();
00039     printf("IP address is: %s\r\n", ip ? ip : "No IP");
00040     printf("MAC address is: %s\r\n", mac ? mac : "No MAC");
00041     
00042     SocketAddress addr(&eth, "mbed.org");
00043     printf("mbed.org resolved to: %s\r\n", addr.get_ip_address());
00044 
00045     TCPSocket socket(&eth);
00046     socket.connect("4.ifcfg.me", 23);
00047 
00048     char buffer[64];
00049     int count = socket.recv(buffer, sizeof buffer);
00050     printf("public IP address is: %.15s\r\n", &buffer[15]);
00051     
00052     socket.close();
00053     eth.disconnect();
00054 
00055     printf("Done\r\n");
00056 }